CN102349196A - Slot antenna, electronic apparatus, and method for manufacturing slot antenna - Google Patents

Slot antenna, electronic apparatus, and method for manufacturing slot antenna Download PDF

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Publication number
CN102349196A
CN102349196A CN2010800114286A CN201080011428A CN102349196A CN 102349196 A CN102349196 A CN 102349196A CN 2010800114286 A CN2010800114286 A CN 2010800114286A CN 201080011428 A CN201080011428 A CN 201080011428A CN 102349196 A CN102349196 A CN 102349196A
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CN
China
Prior art keywords
conductor plate
slot antenna
otch
antenna
openend
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Granted
Application number
CN2010800114286A
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Chinese (zh)
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CN102349196B (en
Inventor
田浦彻
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NEC Corp
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NEC Corp
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Publication of CN102349196B publication Critical patent/CN102349196B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2266Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49016Antenna or wave energy "plumbing" making
    • Y10T29/49018Antenna or wave energy "plumbing" making with other electrical component

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Waveguide Aerials (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

Provided are a slot antenna with which multiple resonances are obtained with a small mounting space, and an electronic apparatus, and a method for manufacturing a slot antenna. The slot antenna is provided with three conductor plates which are: a rectangular conductor plate (10) having a slot with an opened end on one side of the conductor plate; a rectangular conductor plate (20) disposed to face the conductor plate (10); and a third conductor plate which connects together the conductor plate (10) and the conductor plate (20) on the conductor plate (10) side opposite to the opened end. The slot antenna is also provided with a power feed line (40) to which a core line and a ground (42) are connected at two points over the slot of the conductor plate (10).

Description

The manufacturing approach of slot antenna, electronic installation and slot antenna
Technical field
The present invention relates to slot antenna and electronic installation, more specifically, relate to have multi resonant shake characteristic slot antenna, comprise the manufacturing approach of electronic installation and this slot antenna of this slot antenna.
Background technology
Recently, along with the miniaturization and the slimming of portable radio terminal, disclose some and used metal housing to guarantee the technology of this terminal rigidity.
In addition, along with portable radio terminal recent miniaturization and slimming, the number that is installed in the radio function in the portable radio terminal increases gradually, and becomes increasingly complex.This can cause when the distance between each antenna and the metal becomes very near because of the restriction of antenna installing space, being necessary a plurality of antennas are installed in the little and thin housing.Usually, if metal is configured near the antenna, then the performance of this antenna can significantly worsen, and this can cause this antenna to lose the problem of this function of wireless terminal.
In order to address the above problem, disclose the elongated otch (slit) of formation in metal shell, and made this slit can be as the technology of antenna operation, even with antenna configurations near metal, the technology that this antenna can be operated is the same.Slot antenna has narrow-band characteristic usually.Therefore, to shake with the technology that realizes the broadband be known through using a plurality of slits to produce multi resonant.
Patent documentation 1 discloses a kind of antenna assembly, and this antenna assembly has a plurality of slits, and this is formed in this antenna assembly to realize the multi resonant characteristic of shaking.Disclosed antenna is made up of notch antenna and parasitic notch antenna in the patent documentation 1; Wherein this notch antenna has and is formed on the otch of substrate in the edge extent; This parasitism notch antenna slightly is shorter than this notch antenna, and has and form the otch parallel with this notch antenna.
In patent documentation 2, two conductor plates are set to face with each other, and these two conductor plates are connected on its one side via another conductor plate.One of these two conductor plates have clearance portion (slit), and wherein this clearance portion has openend, and this openend is formed on and is connected on relative one side, the limit of another conductor plate.Capacitor C 1 is configured in the position of this clearance portion of clamping with C2, and is connected between these two conductor plates.Realized resonance twice in the zone of disclosed antenna on the clearance portion both sides of conductor plate in the patent documentation 2, and regulated this resonance through capacitor C 1 with C2, wherein this conductor plate has clearance portion.
Reference listing
Patent documentation
[patent documentation 1] japanese unexamined patent publication number No.2004-056421
[patent documentation 2] japanese unexamined patent publication number No.09-162634
Summary of the invention
Technical problem
But disclosed technology has such problem in the patent documentation 1, and promptly the installing space of antenna increases because of disposing a plurality of slits.Disclosed antenna has the structure of operating through one of them slit of electromagnetic coupled in the patent documentation 1.In this structure, antenna characteristics changes a lot with the distance between two slits, and this just causes the problem that is difficult to regulate this characteristic.In addition, disclosed antenna has microstrip antenna structure in the patent documentation 2, and work is not come as antenna in disclosed each slit in the patent documentation 2.Therefore, can come work as antenna, some spaces must be set around the conductor plate that forms antenna element in order to make this structure.Therefore, just can exist the installing space of antenna to increase, and be difficult to disclosed antenna in the patent documentation 2 is applied to the such problem of metal shell.
In view of above-mentioned, implemented the present invention in order addressing the above problem, and to have the purpose of this invention is to provide and to utilize less installing space to obtain slot antenna, electronic installation that multi resonant shakes and the method for making this slot antenna.
The solution of problem
Slot antenna according to first aspect present invention comprises: the first rectangular conductor plate, and this first rectangular conductor plate has otch, and this otch has the openend that is formed on this conductor plate one side; The second rectangular conductor plate, this second rectangular conductor plate are configured in the face of this first conductor plate; The 3rd rectangular conductor plate, the 3rd rectangular conductor plate is connected this first conductor plate and this second conductor plate on one side relative with this openend; And feed line, 2 that heart yearn and earth connection are connected across this otch locate this feed line.
Electronic installation according to second aspect present invention comprises: according to the slot antenna of first aspect; And housing, this housing holds this slot antenna.
The method that is used to make this slot antenna according to third aspect present invention may further comprise the steps: on one side of conductor plate, form the otch with openend; And formation slot antenna; This slot antenna comprises first conductor plate, second conductor plate and the 3rd conductor plate; This first conductor plate is through processing this conductor plate to form this otch and to form at 2 feed lines of locating that the connection heart yearn is set and connecting wires across this otch; This second conductor plate is configured in the face of this first conductor plate, and the 3rd conductor plate connects this first conductor plate and this second conductor plate.
Beneficial effect of the present invention
According to the present invention, can provide and utilize less installing space to obtain slot antenna, electronic installation that multi resonant shakes and the method for making this slot antenna.
Description of drawings
Fig. 1 attempts according to the summary of the slot antenna of first exemplary embodiment;
Fig. 2 attempts according to the summary of the slot antenna of first exemplary embodiment;
Fig. 3 is the connection view that illustrates according to the feed line of first exemplary embodiment;
Fig. 4 attempts according to the summary of the slot antenna of first exemplary embodiment;
Fig. 5 is the view that illustrates according to the input impedance characteristic of first exemplary embodiment.
Fig. 6 attempts according to the summary of the slot antenna of second exemplary embodiment;
Fig. 7 attempts according to the summary of the slot antenna of the 3rd exemplary embodiment;
Fig. 8 attempts according to the summary of the electronic installation of the 4th exemplary embodiment;
Fig. 9 attempts according to the summary of the electronic installation of the 5th exemplary embodiment;
Figure 10 A illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment;
Figure 10 B illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment;
Figure 11 A illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment;
Figure 11 B illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment;
Figure 12 A illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment;
Figure 12 B illustrates the view that is used to assemble according to the method for the electronic installation of the 5th exemplary embodiment.
Embodiment
(first exemplary embodiment)
Below with reference to accompanying drawing exemplary embodiment of the present invention is described.Fig. 1 is the topology view that the slot antenna of first exemplary embodiment according to the present invention is shown.Fig. 2 is when the direction of arrow from Fig. 1 " A " is watched, the view of the slot antenna of first exemplary embodiment according to the present invention.The slot antenna of first exemplary embodiment comprises conductor plate 10 to 30 and feed line 40 according to the present invention.
Conductor plate 10 is provided with feed line 40, and has elongated otch (below be known as " slit ").This slit is formed on one side of conductor plate 10, and has openend.The width in this slit of This document assumes that is far smaller than the length d 1 in this slit, and representes that with d2 the length with slit is in a length of side of unidirectional conductor plate 10.
Conductor plate 20 is configured in the face of conductor plate 10.At this, each of conductor plate 10 and conductor plate 20 has size arbitrarily.Have under the situation of same size with conductor plate 20 at hypothesis conductor plate 10, describe the first embodiment of the present invention.
Conductor plate 30 is configured to conductor plate 10 and conductor plate 20 are connected and form on relative one side, the limit of openend in slit.
The joint construction of feed line 40 then, will be described with reference to figure 3.Feed line 40 is that the coaxial cable of 50 Ω forms by characteristic impedance.2 of being welded on across this slit locate for heart yearn 41 and the earthing conductor 42 that serves as outer surface.Suppose that the position that is soldered is corresponding with feed placement, then use the distance L of the openend in slit and represent feed placement.The expectation feed placement satisfies Z0 * cos 2(2 π L/ λ g)=50.When satisfying this formula, can realize the impedance matching between antenna and the RF circuit (not shown).At this, get Z0 ≈ 487 (Ω), wherein λ g representes and a corresponding electrical length of wavelength of frequency, 1/4 wavelength of this frequency equals length d 1.
Then, with the operation of describing according to the slot antenna of first embodiment.Excite the electric current around the slit through the electric power of from feed line 40, supplying with, thereby produce standing wave, this standing wave has maximum electric field on the limit of the openend in slit, and on the limit of the short-circuit end in slit, has minimum electric field.This resonance frequency is the frequency that its 1/4 wavelength equals gap length d1.Produce another resonance, make the edge by conductor plate 10,20 and 30 formed U-shaped chamber structure excitation currents, and produce standing wave, make it on the limit of the openend of U-shaped structure, have maximum field, and on the limit of configuration conductor plate 30, have minimum electric field.This resonance frequency is that its 1/4 wavelength equals the frequency apart from d2, and wherein d2 is formed with the limit of gap opening end to the distance between the conductor plate 30 on its of conductor plate 10.
Corresponding owing to the resonance in slit with the mode of resonance that on the gap width direction, has the electric field composition.Corresponding owing to the resonance of chamber structure with the mode of resonance that on the direction in space between relative conductor plate 10 and 20, has the electric field composition.The electric field of these two kinds of modes of resonance is orthogonal, and these two kinds of patterns can be not interfering with each other.This just provides can each self-regulation resonance frequency and can in the short cycle, accomplish the advantage that this adjustings is operated.
Now, with the configuration that specifically describes conductor plate 10 to 30.Conductor plate 10 can be configured to almost parallel each other with conductor plate 20.Used term " roughly ", this is because in the forming process of actual antennas, the parastate on the not strict meaning.Above-mentioned conductor plate 10 has identical size with conductor plate 20, but the size of conductor plate is not limited to this.Conductor plate 10 can be greater than conductor plate 20.Position between the limit of the limit of the openend that is formed with slot antenna on it and conductor plate 20 concerns, the limit of expecting to be formed with on it gap opening end is concordant with the limit of conductor plate 20, perhaps projects to the outside on the limit of conductor plate 20.
Although conductor plate 30 has platy structure as shown in Figure 1, the structure of conductor plate 30 is not limited to this.Conductor plate 30 can be processed like pad by elastic conducting material, and can be constructed to make conductor plate 10 and 20 to conduct.Replacedly, conductor plate 30 can have wherein with a plurality of elongated bar-shaped sheet metal decentralized configuration in a plurality of positions the structure with bonding conductor plate 10 and 20.In the case, expect between the connected conductor plate spacing smaller or equal to 1/10 of the corresponding wavelength of resonance frequency.Can be connected this two conductor plates through the elongated bar-shaped metal of welding on this conductor plate 10 and 20. Can conductor plate 10 and 20 be conducted through elastic metallic such as leaf spring are pressed to conductor plate.The upper end on wherein one long limit that preferably conductor plate 30 is configured in conductor plate 10 and 20 at least makes that conductor plate 10 and 20 can be conducted in the scope of the position that forms slit.
As shown in Figure 1, conductor plate 30 is connected to each long limit of rectangular conductor plate 10 and 20, but can conductor plate 30 be connected to each side surface portion of conductor plate 10 and 20.
In addition, as shown in Figure 4, conductor plate 30 can have L shaped, and can be configured to be connected to each long limit and minor face of conductor plate 10 and 20.
Fig. 5 shows the input impedance characteristic of the slot antenna of first exemplary embodiment according to the present invention.The longitudinal axis is represented the watt level that from antenna, reflects, and transverse axis is represented frequency.The resonance frequency of the characteristic the lowest point representative antennas shown in the This document assumes that figure.In antenna structure shown in Figure 1, the relation table between the length d 1 in slit and the length d 2 of chamber structure is shown d1<d2.Therefore, be positioned at resonance frequency f2 on the low frequency side, and be positioned at resonance frequency f2 on the high-frequency side by length d 1 decision in slit by 2 decisions of the length d of chamber structure.
As stated; The use of the slot antenna of first exemplary embodiment can produce owing to the resonance of slotted section effect with owing to the resonance of chamber structure effect according to the present invention; Wherein this chamber structure is formed by conductor plate 10 to 30, thereby has realized that multi resonant shakes.Antenna of the present invention has wherein that chamber structure has only the simple structure in a slit, thereby utilizes less installing space to realize multiple-resonant antenna.In addition, utilize the resulting two kinds of modes of resonance of antenna structure according to the present invention can be not interfering with each other, this helps the adjusting to resonance frequency.
In addition, conductor plate 30 is formed L shaped, and is configured to be connected to the long limit and the minor face of conductor plate 10 and 20.This structure has been served as shielding wall, in order to the electromagnetic interference between minimizing antenna and the various circuit, thereby guarantees good antenna operation, and the excellent operation of peripheral device and various circuit.
(second exemplary embodiment)
Then will the operation of the slot antenna of second exemplary embodiment according to the present invention be described with reference to figure 6.Therefore feed line 40 ignores its description with shown in Figure 1 similar.The slot antenna of second exemplary embodiment has the crooked 90 ° of characteristics that one-tenth is L shaped in slit according to the present invention.Member in other member and first exemplary embodiment is similar.
The length of the otch of supposing to begin to extend towards the direction of conductor plate 30 from openend representes with d3, and the length that is parallel to the otch that conductor plate 30 extends is represented with d4.In the case, the frequency place of the distance that equals at its 1/4 wavelength to represent with d3+d4 has produced resonance.Produce another resonance, make along conductor plate 10,20 and 30 formed U-shaped chamber structure excitation currents, and produce standing wave, make it on the limit of the openend of U-shaped structure, have maximum electric field, and on the limit of configuration conductor plate 30, have minimum electric field.This resonance frequency is that its 1/4 wavelength equals the frequency apart from d2, and wherein d2 is formed with the limit of gap opening end to the distance between the conductor plate 30 on its of conductor plate 10.
As stated; The use of the slot antenna of second exemplary embodiment can produce owing to the resonance of slotted section effect with owing to the chamber of chamber structure effect according to the present invention; Wherein this chamber structure is formed by conductor plate 10 to 30, thereby has realized that multi resonant shakes.In addition, at twice humorous center of percussion, have lower frequency owing to the resonance in slit, this is because the length in slit can be increased.
(the 3rd exemplary embodiment)
Then will the operation of the slot antenna of the 3rd exemplary embodiment according to the present invention be described with reference to figure 7.Therefore feed line 40 ignores its description with shown in Figure 1 similar.The slot antenna of the 3rd exemplary embodiment has such characteristic according to the present invention, and another otch that promptly has an openend is formed near the limit this otch, rather than is formed on the one side that is connected to the 3rd conductor plate and has on one side of openend.The new slit that forms is in order to regulate length d 2.That is to say, when considering the length d 5 of this otch, be expressed as d2+2 * d5 apart from d2.As a result, equal frequency place, produced resonance with the represented distance of d2+2 * d5 at its 1/4 wavelength.
As stated; The use of the slot antenna of the 3rd exemplary embodiment is under situation about not influencing owing to the resonance in slit according to the present invention; Can regulate dimension through using newly-installed otch, come to regulate arbitrarily the resulting resonance frequency of structure that forms through by conductor plate 10 to 30.Be applied at antenna structure under the situation of electronic installation this exemplary embodiment, can be with the hardware that constitutes electronic installation, such as combining use by metal and framework and the antenna processed in order to the metallic plate that keeps intensity.If design alteration has taken place combining on the position of these hardwares of use with antenna, then very big change also can take place with Design of device and mounting condition in the resonance frequency of antenna.As a result, can not obtain desired resonance frequency.On the other hand, in this exemplary embodiment, the use of otch provides following advantage: can come suitably to regulate the position and the length of otch according to the design alteration of electronic installation, thereby obtain desired resonance frequency easily.
(the 4th exemplary embodiment)
Then will the structure of the electronic installation of the 4th exemplary embodiment according to the present invention be described with reference to figure 8.The electronic installation of the 4th exemplary embodiment comprises according to the present invention: display part 100; Show housing 110, this demonstration housing 110 is made of metal, and comprises the framework that extends along display part 100 on every side; Body shell 140, this body shell 140 is made of metal, and comprises keyboard input part 130; Hinge 120, this hinge 120 can show rotary manipulation on the direction that housing 110 and body shell 140 face with each other; And slot antenna 150 and 160, this slot antenna 150 and 160 is configured in left side and the right side that shows housing 110 respectively.
Slot antenna 150 and 160 forms with the arbitrary pattern according to above-mentioned first to the 3rd exemplary embodiment respectively.Pattern that slot antenna 150 and 160 can be identical or different patterns form, and perhaps can form with the corresponding pattern of the combination of first to the 3rd exemplary embodiment.Conductor plate 10 to 30 is members of slot antenna of the present invention, can be included in the electronic installation, as the member of this slot antenna.Replacedly, can the hardware of conductor plate 10 to 30 and this electronic installation be combined use.For example, also can be with the metal framework that is used to keep LCD (LCD) as conductor plate 30.As another example, also can be with the metal top board that is used to keep showing casing rigidity as conductor plate 10 or 20.
Slot antenna 150 and 160 can not be included in and show in the housing 110, and is included in the body shell 140, perhaps can be included in to show that housing 110 and body shell 140 are among both.
Hinge 120 also can be operated, and with the configuration so that demonstration housing 110 and body shell 140 contact with each other, makes display part 100 and keyboard input part 130 face with each other.Hinge 120 also can be operated; Use so that do not form the surface of the demonstration housing 110 of display part 100 on it; The back surface that for example shows housing 110 contacts configuration with keyboard input part 130, thereby demonstration housing 110 is opened with the mode of so-called graphic tablet (tablet).
When slot antenna is included in the metal demonstration housing 110; RF circuit (not shown) is to being arranged on the slot antenna supply electric power that shows in the housing 110; And this slot antenna is excited, and has produced resonance at the frequency place that its 1/4 wavelength equals gap length.Equal to have produced resonance at its 1/4 wavelength by the conductor plate that constitutes slot antenna 10 to 30 formed structures apart from the frequency place of d2.The electric current that is excited by antenna flow through this antenna and whole metal shell, and metal shell itself serves as the radiation conductor, makes electric current become radioactive source.This radioactive source has directive property on the apertured limit of configuration.A plurality of slot antennas that will obtain through the directive property that changes each antenna are installed in the device, and this device can form the antenna that has along the directive property of any direction.
Then will be with reference to figure 9, the summary view of demonstration housing 110 is described as " B " from Fig. 8 when direction is watched.Show that housing 110 comprises display part 100, comprises the metallic plate 170 and 171, metallic plate 180 and 181 and framework 190 and 191 in slit separately. Metallic plate 170 and 171 is corresponding with the conductor plate 10 shown in Fig. 1 respectively.Metallic plate 180 and 184 is corresponding with the conductor plate 20 shown in Fig. 1 respectively. Metallic plate 190 and 191 is corresponding with the conductor plate 30 shown in Fig. 1 respectively.
Metallic plate 170 and 180 is configured to face with each other, and framework 190 is connected between metallic plate 170 and 180.Similarly, metallic plate 171 and 181 is configured to face with each other, and framework 191 is connected between metallic plate 171 and 181.Metallic plate 171 with slit is configured on the surface that is formed with display part 100 above that, and the metallic plate 170 with slit is configured on the bottom surface side of display part 100. Metallic plate 170 and 171 is configured in respectively on the left and right side of display part 100.
When opening demonstration housing 110 with the mode of graphic tablet, have metallic plate 171 operations in slit, make opposite metal plates 181 intercept the effect of metals in the body shell 140.Therefore, the metallic plate 171 that has the slit can be operated under the situation of the influence of metal in not receiving body shell 140.When closure shows the display part 100 of housing 110 so that when depositing; For example when closed display part 100 makes that display part 100 and keyboard input unit 130 face with each other; Have metallic plate 170 operations in slit, make opposite metal plates 180 intercept the effect of metal in the body shell 140.Therefore, the metallic plate 170 that has the slit can be operated under the situation of the influence of metal in not receiving body shell 140.
Even when open or closed, or open when showing housing with the mode of graphic tablet; The new resonant circuit that produces can not receive the influence of metal in the body shell 140 yet; Wherein should form by metallic plate 170, metallic plate 180 and framework 190 by the new resonant circuit that produces, perhaps form by metallic plate 171, metallic plate 181 and framework 191.
Metallic plate 170 is formed with 171 slit for example has identical dimension and identical formation, uses obtaining identical characteristic, and wherein metallic plate 170 and 171 is configured in the left and right side of display part 100 respectively.This makes electronic installation can obey the high-speed high capacity radio communication, such as utilizing a plurality of antenna transmission and the MIMO (multiple-input and multiple-output) that receives data.The dimension in metallic plate 170 and 171 slit and shape etc. can be set to differ from one another; Use the antenna that obtains to have different qualities; This just makes electronic installation obey a plurality of radio band, and wherein metallic plate 170 and 171 is configured in respectively on the left and right side of display part 100.
As stated; The use of the electronic installation of the 4th exemplary embodiment is under the situation of not damaging the radio function in the electronic installation according to the present invention; Enable to obey the communication of a plurality of radio band, wherein this electronic installation comprises the demonstration housing 110 that is provided with slot antenna and changes along all directions.The 4th exemplary embodiment of the present invention has been described such structure, is about to one of them metallic plate and is configured on the side of display part 100, and another metallic plate is configured in thereafter on the face side, and wherein these two metallic plates have the slit respectively.Replacedly, can the metallic plate that have the slit respectively only be configured on the side of display part 100, perhaps only be configured in thereafter on the face side.Further replacedly, can be configured on the side of display part 100 the single metal plate or thereafter on the face side.(the 5th exemplary embodiment)
Then will the method that be used to assemble the electronic installation of the 5th exemplary embodiment according to the present invention be described with reference to figures 10 to Figure 12.Figure 10 A and Figure 10 B show the assemble method when directly forming slit 210 in the top board 200 that is showing housing 110 (it is metal shell) respectively.Figure 10 A is when the synoptic diagram when the place ahead that shows housing 110 is watched, and 10B is when the cutaway view of the demonstration housing of (when from Fig. 8 " B " when direction is watched) when the top is watched.Same method is applicable to Figure 11 A and Figure 11 B and Figure 12 A and Figure 12 B.
At first, metal metal framework 220 is installed to top board 200, wherein top board 200 is made of metal, and is provided with elongated slit 210, and metal framework 230 is installed to the outer edge of top board 200.
Then, metallic plate 240 is configured in the face of slit 210.Place metallic plate 240 along guide plate 231 is installed, and with screw 250 metallic plate 240 is screwed to metal framework 220 via the screw hole of metallic plate 240.
Then, will be used to protect the protection panel 260 of display part 100 to be installed to each of metallic plate 240 and display part 100, and resinous decorative laminate 270 will be configured on the metal top board 200, to cover slit 210.
Figure 11 A and Figure 11 B show the example when the assemble method on display part one side time the with slot arrangement respectively.
At first, metal metal framework 220 is installed to metal top board 200, and resinous framework 230 is installed to the outer edge of top board 200.
Then, through along guide plate 231 placement metallic plates (slot antenna module) 211 being installed and it being configured to face top board 200, wherein be formed with the slit in the metallic plate 211.Can use the contact 280 such as leaf spring or spring catch, make slot antenna module 211 and metal top board 200 conduct.Slot antenna module 211 can be equipped with the screw shown in Figure 10 B.
Then, will be used to protect the protection panel 260 of display part 100 to be connected to slot antenna module 211, wherein be formed with the slit in the slot antenna module 211.
Figure 12 A and Figure 12 B show respectively and are used for slot antenna is installed to the illustrative methods in the resinous demonstration housing 110.Slot antenna module 290 is placed along guide plate 221 is installed, and it is screwed in resinous framework 221 and 230, wherein slot antenna module 290 obtains through the slit that metallic plate is bent to shape shown in Figure 1.Assemble method shown in other assemble method and Figure 10 A and Figure 10 B and Figure 11 A and Figure 11 B is similar.
Attention: the present invention is not limited to above exemplary embodiment, but can suitably make amendment without departing from the present invention.
Reference example property embodiment has described the present invention, but it should be appreciated by those skilled in the art that the present invention is not limited to above embodiment, within category of the present invention, can make amendment to structure of the present invention and details in every way.
The application based on and require to submit on March 30th, 2009, publication number is the priority of the Japanese patent application of No.2009-081476, by reference it is comprised in this manual at this.
Label list
10,20,30 conductor plates
100 display parts
110 show housing
120 hinge
130 keyboard input parts
140 body shell
150,160 slot antennas
170,171,180,181 metallic plates
190,191 frameworks
200 top boards
210 slits
211 slot antenna modules
220 metal frameworks
221 resinous frameworks
230 resinous frameworks
231 install guide plate
240 metallic plates
250 screws
260 protection panels
270 decorative laminates
280 springs
290 slot antenna modules

Claims (10)

1. slot antenna, it comprises:
The first rectangular conductor plate, the said first rectangular conductor plate has otch, and said otch has the openend that is formed on said conductor plate one side;
The second rectangular conductor plate, the said second rectangular conductor plate is configured to towards said first conductor plate;
The 3rd conductor plate, said the 3rd conductor plate is connected said first conductor plate and said second conductor plate on the limit relative with said openend; And
2 that heart yearn and earth connection are connected across said otch locate for feed line, said feed line.
2. slot antenna according to claim 1, wherein said otch are formed near the end on long limit of said first conductor plate.
3. slot antenna according to claim 1 and 2, wherein
The said otch that is formed in said first conductor plate has the length that equals 1/4 wavelength, and wherein said wavelength is corresponding with the centre frequency of first frequency band, and
One side that does not wherein form otch of said first conductor plate has the length that equals 1/4 wavelength, and wherein said wavelength is corresponding with the centre frequency of second frequency band.
4. according to each described slot antenna of claim 1 to 3, the said otch that wherein is formed in said first conductor plate is L-shaped.
5. according to each described slot antenna of claim 1 to 4.Wherein said first conductor plate has another otch, and said another otch has openend, and said openend is formed near the limit the said otch, rather than is formed on the limit that is connected to said the 3rd conductor plate and has on the limit of said openend.
6. electronic installation, it comprises:
Each described slot antenna according to claim 1 to 5; And
Housing, said housing holds said slot antenna.
7. electronic installation according to claim 6, wherein said housing hold the individual said slot antenna of M (M is the integer more than or equal to 2), and the otch of the otch of at least one slot antenna and another slot antenna is formed on the different plane.
8. electronic installation according to claim 6, wherein said housing hold the individual said slot antenna of M (M is the integer more than or equal to 2), and the otch of a said M slot antenna forms at grade.
9. according to each described electronic installation of claim 6 to 8, also comprise display part, said display part comprises display screen, wherein
Said slot antenna is configured in around the said display part.
10. method that is used to make slot antenna, it may further comprise the steps:
On one side of conductor plate, form otch with openend; And
Form slot antenna; Said slot antenna comprises first conductor plate, second conductor plate and the 3rd conductor plate; Said first conductor plate is through processing said conductor plate to form said otch and through forming locating that across 2 of said otch the feed line that connects heart yearn and earth connection is set; Said second conductor plate is configured in the face of said first conductor plate, and said the 3rd conductor plate connects said first conductor plate and said second conductor plate.
CN201080011428.6A 2009-03-30 2010-02-19 Slot antenna, electronic apparatus, and method for manufacturing slot antenna Expired - Fee Related CN102349196B (en)

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US20120007783A1 (en) 2012-01-12
WO2010116589A1 (en) 2010-10-14

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